def show_text(self, txt, speed=20, font=None):
"""
Display text & scroll, call is blocking
"""
if (type(txt) is not list) or (len(txt)==0) or (type(txt[0]) is not tuple):
raise Exception("a list of tuple is expected")
im = draw_multiple_to_image(txt, font)
slices = horizontal_slices(im)
for i, s in enumerate(slices):
#s.save("./debug/%s.bmp"%i)
self.set_static_image(build_img(s))
time.sleep(1.0/speed)
def show_text2(self, txt, font=None):
"""
Use dynamic_image_message to display scolling text
Cannot go faster than 1fps
"""
if (type(txt) is not list) or (len(txt)==0) or (type(txt[0]) is not tuple):
raise Exception("a list of tuple is expected")
imgs = []
im = divoom_image.draw_multiple_to_image(txt, font)
slices = horizontal_slices(im)
for i, s in enumerate(slices):
# s.save("./debug/%s.bmp"%i)
imgs.append(build_img(s))
print len(imgs)
self.set_dynamic_images(imgs)